package com.fintech.common.util;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpEntity;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.alibaba.fastjson.JSON;

/**
 * HttpClient 发送  get请求或者post请求的工具类
 * @author shan
 *
 */
public class HttpClientUtils {
	
	private static final Logger log = LoggerFactory.getLogger(HttpClientUtils.class);
	
	private static RequestConfig requestConfig = RequestConfig
													.custom()
													.setSocketTimeout(60000)
													.setConnectTimeout(60000)
													.setConnectionRequestTimeout(60000)
													.build();
	
	
	 /**
     * 发送 post请求
     * "multipart/form-data;charset=UTF-8"
     * @param httpUrl
     *            地址
     * @param params
     *            参数(格式:key1=value1&key2=value2)
     */
    public static String sendHttpPost(String httpUrl, String params, String contentType) {
        HttpPost httpPost = new HttpPost(httpUrl);
        try {
            StringEntity stringEntity = new StringEntity(params, "UTF-8");
            stringEntity.setContentType(contentType);
            httpPost.setEntity(stringEntity);
        } catch (Exception e) {
        	log.error("============sendHttpPost==============StringEntity" + httpPost.getURI(), e);
        }
        return sendHttpPost(httpPost);
    }
	
    /**
     * 发送 post请求
     * @param httpUrl  
     * 				地址
     */
    public static String sendHttpPost(String httpUrl) {
    	// 创建httpPost
        HttpPost httpPost = new HttpPost(httpUrl);
        return sendHttpPost(httpPost);
    }

    /**
     * 发送 post请求
     * 
     * @param httpUrl
     *            地址
     * @param params
     *            参数(格式:key1=value1&key2=value2)
     */
    public static String sendHttpPost(String httpUrl, String params) {
        HttpPost httpPost = new HttpPost(httpUrl);
        try {
            StringEntity stringEntity = new StringEntity(params, "UTF-8");
            stringEntity.setContentType("application/json;charset=UTF-8");
            httpPost.setEntity(stringEntity);
        } catch (Exception e) {
        	log.error("============sendHttpPost==============StringEntity" + httpPost.getURI(), e);
        }
        return sendHttpPost(httpPost);
    }

    /**
     * 发送 post请求
     * 
     * @param httpUrl
     *            地址
     * @param maps
     *            参数
     */
    public static String sendHttpPost(String httpUrl, Map<String, String> maps) {
        HttpPost httpPost = new HttpPost(httpUrl);
        // 创建参数队列
        List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>();
        for (String key : maps.keySet()) {
            nameValuePairs.add(new BasicNameValuePair(key, maps.get(key)));
        }
        try {
            httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, "UTF-8"));
        } catch (Exception e) {
        	log.error("============sendHttpPost==============setEntity" + httpPost.getURI(), e);
        }
        return sendHttpPost(httpPost);
    }

    /**
     * 发送Post请求
     * 
     * @param httpPost
     * @return
     */
    private static String sendHttpPost(HttpPost httpPost) {
        CloseableHttpClient httpClient = null;
        CloseableHttpResponse response = null;
        HttpEntity entity = null;
        String responseContent = null;
        try {
            // 创建默认的httpClient实例
            httpClient = HttpClients.createDefault();
            httpPost.setConfig(requestConfig);
            // 执行请求
            response = httpClient.execute(httpPost);
            entity = response.getEntity();
            responseContent = EntityUtils.toString(entity, "UTF-8");
        } catch (Exception e) {
        	log.error("============sendHttpPost==============" + httpPost.getURI(), e);
        } finally {
            try {
                if (response != null) {
                    response.close();
                }
                if (httpClient != null) {
                    httpClient.close();
                }
            } catch (Exception e2) {
            	log.error("============sendHttpPost==============close" + httpPost.getURI(), e2);
            }
        }
        return responseContent;
    }

    /**
     * 发送 get请求
     * 
     * @param httpUrl
     */
    public static String sendHttpGet(String httpUrl) {
        HttpGet httpGet = new HttpGet(httpUrl);
        return sendHttpGet(httpGet);
    }

    /**
     * 发送Get请求
     * 
     * @param httpPost
     * @return
     */
    public static String sendHttpGet(HttpGet httpGet) {
        CloseableHttpClient httpClient = null;
        CloseableHttpResponse response = null;
        HttpEntity entity = null;
        String responseContent = null;
        try {
            // 创建默认的httpClient实例
            httpClient = HttpClients.createDefault();
            httpGet.setConfig(requestConfig);
            // 执行请求
            response = httpClient.execute(httpGet);
            entity = response.getEntity();
            responseContent = EntityUtils.toString(entity, "UTF-8");
        } catch (Exception e) {
        	log.error("============sendHttpGet==============" + httpGet.getURI(), e);
        } finally {
            try {
                if (response != null) {
                    response.close();
                }
                if (httpClient != null) {
                    httpClient.close();
                }
            } catch (Exception e2) {
            	log.error("============sendHttpGet==============close" + httpGet.getURI(), e2);
            }
        }
        return responseContent;
    }
    
  public static void main(String[] args) {
	String url = "http://10.0.17.30/approve/loan/api/fallback";
	String content = "{\"loanId\":\"ssssssss\"}";
	System.out.println(sendHttpPost(url, content));
	
	String url2 = "http://10.0.17.30/approve/spmq/api/allotAssistant";
	HashMap<String, String> hashMap = new HashMap<String, String>();
	hashMap.put("appointmentId", "1");
	hashMap.put("assistantId", "1");
	System.out.println(sendHttpPost(url2, JSON.toJSONString(hashMap)));
  }
}

